Home / 138,818.68-208,228.56-33,637.48

Finding the Fourth Proportional to 138,818.68, 208,228.56 and 33,637.48

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Solution

The fourth proportional to 138,818.68, 208,228.56 and 33,637.48 is: 50,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,818.68 : 208,228.56 = 33,637.48 : x
  2. Step 2: Convert to fraction form
    138,818.68/208,228.56 = 33,637.48/x
  3. Step 3: Cross multiply
    138,818.68x = 208,228.56 × 33,637.48
  4. Step 4: Simplify right side
    138,818.68x = 7,004,284,022.43
  5. Step 5: Solve for x
    x = 7,004,284,022.43/138,818.68
  6. Step 6: Final answer
    x = 50,456.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.